Shimano Ultegra Di2 6870 11 Speed 36/52 Compact Groupset - Grey

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Description

The Shimano Ultegra series is "pro-proven" as it is a direct trickle down from our Dura Ace group. It stands for state-of-the-art technology, proven in pro races, the technology used in the new Ultegra 6800 series with 11 speed, newly designed brakes, new chain treatment etc.

Groupset includes:

Crankset FC-6800 Standard 36/52 (please select version)

Bottom Bracket SM-BBR60 BSA

STI Set ST-6870

Rear Derailleur RD-6870 SS

Front Derailleur FD-6870 Braze On

Brake Set BR-6800

Cassette CS-6800 (please select version)

Chain CN-6800

Gear Cable Set black

Brake Cable Set black

Ultegra now has an 11-speed cassette with numerous gearing options to cover all situations. Leading edge design, materials and construction reduce weight, improve stiffness and enhance control.

Crankset ( Bottom bracket is BSA threaded english standard )

With a unique four-arm spider and Hollowtech II construction putting strength just where it's needed, the FC-6800 chainset sets new standards for stiffness and low weight.

Ultegra FC-6800 Crankset Compact 36/52 teeth

Crank Arm Length: 170mm, 172.5mm or 175mm

New 4-arm design for same stiffness with lighter weight

Hollowtech II construction

Hollowglide chainrings

11-speed compatible

Same bolt circle diameter for compact and traditional double chainsets means that one crank arm fits all chainring sizes

Bolt circle diameter: 110mm

Chain line: 43.5mm

Includes Hollowtech II Bottom Bracket SM-BBR60 BSA

Weight: 775g (with BB)

Dual Control STI Shifters

With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts.

Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold. The drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI. Brake lever pivot is positioned to be used with super SLR brake callipers, increased power providing excellent ergonomics when riding on the hoods.

Finely tuneable reach adjusters for the levers enable custom fitment for all hands

Levers are supplied with electrical cables

For use with E-tube electric cables

Comes complete with SLR brake cable set

Weight: 313g per pair

Ultegra Rear Derailleur

With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear.

Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift. The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts.

Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts

11-32T wide gear ratio capacity will cater for compact setups as well as the traditional road double

The Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to a microchip communication link with the gear levers. What's more, shifting the rear derailleur automatically trims the front derailleur. The biggest difference you will notice is just how much quicker and effortlessly smoother shifting on the front chainrings is, even under load.

The difference in the effort and time to actuate the shift between mechanical and Di2 is truly staggering. The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts.

The front derailleur also trims automatically; the cage moves in response to the position of the rear derailleur on the cassette to ensure no chain rub and a quiet unobtrusive ride, enabling you to concentrate on the road ahead.

Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available

Rider-tuned means Ultegra works the way you want it. The new 11-speed cassettes are available in a range of sizes including a wide-range 11-28 option - one cassette to use all year round. Smooth, fast shifting guaranteed. The weight is 212g (11-23T).

Ultegra 11-speed Chain CN-6800

The new symmetrical Ultegra 11-speed chain offers low weight and high durability.

Ultegra redesigned SIL-TEC Chain for 11-Speed

Weight: 253g

Can’t find the spec you want? Contact our Customer Services team and we will do our best to source the exact spec you would like.

Product Details

Delivery & Returns

Express Delivery Available

If ordered before 8pm, delivered by courier next working day. Available on orders placed before 8pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.

How long will it take to arrive?

Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.

How will I know it has been sent

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing your account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbors to see if your delivery has been left with them, check any places it could be left such as: garage, porch, or behind garbage cans if it was too big to fit through your mailbox. Contact your local post office to see if the item has been returned to the depot as undelivered and awaiting collection.

Customer Reviews

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Di2 Ultegra 52/36

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5

Super sweet. The look is awesome and the shifting is perfect. The only down side is the provided bottom bracket was useless and an option is needed during ordering, the same with the provided grommets. The internal battery also needed an option for a mounting bracket. Even with those three things I am extremely happy with the purchase. Add in the sale price these Di2's can't be beat.